[ Narrative Tenses ]
He ______ for an hour before he realized it was time to leave.
A. worked
B. was working
C. had been working

Random Topics:
Simple Compound and Complex SentencesClausesModals of ProbabilityNoun Phrases and Verb PhrasesPresent Perfect Simple & Present Perfect ContinuousAdjective Clause and Adverb ClauseFragment, Comma Splice and Run -on SentencePronouns and AdverbsGrammar of Future PlansTenses, Tag Questions, Phrasal VerbsOther quiz:
Vocabulary › ViewThe ice cream cone ___ at the 1904 World’s Fair in St. Louis.
A. To continue
B. to begin
C. to delay
Idioms › View
To “eat like a horse” means ___.
a. to eat noisily
b. to eat a little
c. to eat a lot
You _________ drive on the left in England.
A. Must
B. Should
Grammar › View
That answer is not ____ right.
A. quiet
B. quite
